建築材料の吸放湿特性の動的測定法

• 中尾 正喜

  日本電信電話公社武蔵野電気通信研究所

• 大島 一夫

  日本電信電話公社武蔵野電気通信研究所

書誌事項

タイトル別名

• TRANSIENT MEASURING METHOD FOR MOISTURE DIFFUSION COEFFICIENT
• ケンチク ザイリョウ ノ キュウホウシツ トクセイ ノ ドウテキ ソクテイホウ

抄録

A transient method to determine the moisture diffusion coefficient of material is described. The experimental procedure is to suspend a sheet of the material in the atmosphere at constant temperature and humidity, and to observe any increase in material weight. Mathematical model in the method is derived by using the following assumptions. (1) The material is semi-infinite solid. (2) Surface humidity is equal to air humidity. In other words moisture transfer coefficient is sufficiently large. (3) Interaction between moisture and heat in the material is negligible. These assumptions cause measuring errors in applying this method to building material. In this paper, emphasis is on the mathematical analysis of errors. Errors are analyzed by means of Laplace transformation method. Errors caused by each assumption are shown in a graph. Experimental conditions, i. e. sheet thickness and data length, which assure measurement accuracy, are derived from the graphs.

収録刊行物

• 日本建築学会論文報告集

  日本建築学会論文報告集 315 (0), 76-82, 1982

  一般社団法人 日本建築学会

詳細情報

• CRID: 1390001205570427776
• NII論文ID: 110003882029
• NII論文ID: 10004100403
• NII書誌ID: AN0018882X
• DOI: 10.3130/aijsaxx.315.0_76
• ISSN: 24330027
• ISSN: 03871185
• NDL書誌ID: 2451548
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I2451548
• Web Site: https://www.jstage.jst.go.jp/article/aijsaxx/315/0/315_KJ00003749439/_pdf
• 本文言語コード: ja
• データソース種別:
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  • NDL
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  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可